[NV14041] Technical Note, February 12th, 1878

Item

Abstract

Model for Patent Office of telephone [trans/rec combo?]

Date

1878-02-12

Decade

1870-1879

Subject

Identifier

NV14041

Folder Set

NV14

Title

[NV14041] Technical Note, February 12th, 1878

Microfilm ID

4:182

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University